Tombow 51523 MONO Drawing Pencil Set, Assorted Degrees, 12-Pack. Professional Quality Graphite Pencil Set with Eraser and Sharpener Professional quality drawing pencils are crafted with the highest quality materials Extra-refined, high density graphite encased in premium hard cedar wood Perfectly centered lead core adhered throughout entire wood case, making pencil break resistant and ensures even sharpening Progressive degree range from 6B - 4H Set includes 12 pencils, plastic eraser and pencil sharpener